This product is a crawler electronic temperature and humidity meter with built-in probe. With small size, beautiful and practical, accurate measurement, convenient for the use of smaller feeding space, every 5 seconds refresh data, at any time to monitor the feeding environment. Suitable for all kinds of reptiles such as: spiders, scorpions, horned frogs, lizards, chameleons, tortoises, snakes and so on.Features:This product is a crawler electronic temperature and humidity meter with built-in probe.The digital display give a Humidity reading as a RH percent and the temperature is displayed in Can be used in reptile vivariums, home or office, Sheds, Greenhouse, Grow room or anywhere else you want to monitor the environment.Every 5 seconds refresh data, at any time to monitor the feeding environment.With small size, beautiful and practical, accurate measurement, convenient for the use of smaller feeding spaceSpecification:Temperature test accuracy:1.0Temperature sampling cycle: 2 secondsRelative humidity test range: 10 percent -99 percent Humidity display resolution: 1 percent Humidity testing accuracy:5 percent (under the room temperature is 25) Temperature: - 50 to 60(measure temperature below -50, display L O measure temperature higher 60,display H IDisplay resolution:Display mode: LCD (three and a half)Power consumption: 5 milliwatts under working conditionBattery: 2 x 1.5v LR44 button battery (not included)Temperature measuring accuracy:1Size:47x27x13mm or 1.9x1.1x0.5inWeight: Approx.20g or 0.7ozPackage list:1 x Temperature Humidity Meter